Q: What are the prime factors of the number 153,540,525?

 A: 3, 5, 23, 89009

Why are those the prime factors of the number 153,540,525?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 153,540,525

153,540,525
Factor Arrows
351,180,175
Factor Arrows
510,236,035
Factor Arrows
52,047,207
Factor Arrows
2389,009

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

3, 5, 23, 89009

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 23 x 89,009 = 153,540,525

This can also be written as 31 x 52 x 231 x 89,0091 = 153,540,525

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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